| CatalystBio | |
| Catalyte | Maryland |
| Catalytic Group, LLC | Connecticut |
| Catalyze | Texas |
| CatalyzeX | |
| Catamaran Bio, Inc. | Massachusetts |
| Catamount Ventures | California |
| Catania Media Consultants, LLC | |
| Catapult Consultants | Virginia |
| Catapult Consulting, LLC | |
| Catapult Creative | |
| Catapult Creative Media, Inc. | |
| Catapult Systems | Texas |
| Catapult Tech Solutions | Indiana |
| Catapult Web | Pennsylvania |
| Catawba College | North Carolina |
| Catawba Research, LLC | North Carolina |
| Catch Financial, LLC | |
| Catch Financial, LLC | |
| Catch Media, Inc. | California |
| Catch&Release, Inc. | |
| Catch22 Marketing, LLC | Minnesota |
| CatchApp, LLC | |
| Catchpoint Systems, Inc. | New York |
| Catchsavvy, Inc. | |
| Catchweight | |
| Catcom Computers, Inc. | New Jersey |
| CateEedge Software | California |
| Catena, Inc. | |
| CatenaBio | California |
| Catenate | Texas |
| Caterease Software | Florida |
| CaterTrax, Inc. | New York |
| Caterware, Inc. | Ohio |
| Cathain Ventures | Pennsylvania |
| Cathay Innovation | |
| CathConnect | |
| Catheter Precision, Inc. | South Carolina |
| Catholic University of America Department of Computer Science | District of Columbia |
| Catholic University of America Mathematics and Statistics | District of Columbia |
| Cathoven AI | |
| CathWorks, Inc. | California |
| CatLight | |
| Cato Networks, Inc. | California |
| Caton Communications Group, Inc. | Maryland |
| Caton Connector Corporation | Massachusetts |
| CATS Software, Inc. | Minnesota |
| Catsaway Graphic Design | |
| Catspaw, Inc. | Colorado |
| Catsy | Illinois |